update documentation

Author: rorosaurus

HARDWARE.md

@@ -22,7 +22,7 @@ When you buy my board on Tindie, I will include these items. Store links are jus
 * Any HUB75 type scan LED panel (E pin is connected, so should work with 1/32 panels too)
   * Looking for a cheap panel to get started?  Check out the [Project Mc2 LED Purse](https://github.com/rorosaurus/project-mc2-led-purse)!
   * Note that larger panels (> 64x64px) might not leave enough free DMA-capable memory to also utilize Wifi in your sketch! I can use a 128x64px panel, but there's no memory left for Wifi (and it lags if the animations are too long)!
-  * If you're using Mode 1, make sure you have a 16P IDC Cable (might have come with your panel): [AliExpress](https://www.aliexpress.com/item/32873766356.html)
+  * If you're using Mode 1, make sure you have a 16P IDC Cable (might have come with your panel): [AliExpress](https://www.aliexpress.com/item/32873766356.html), [Amazon](https://smile.amazon.com/s?k=16p+idc+ribbon+cable)
   * Make sure you have a plan for how to power the panel! You might need a powerful 5V power source! See [`POWER.md`](https://github.com/rorosaurus/esp32-hub75-driver/blob/master/POWER.md) for the different options I recommend.
     * 4-pin power cables for HUB75 panels (might have come with your panel): [AliExpress](https://www.aliexpress.com/item/32832930794.html), [AliExpress](https://www.aliexpress.com/item/32849478998.html)
     * Alternatively, you can solder some random (thick enough!) wires to the power connector. Useful for low profile projects!

POWER.md

@@ -9,6 +9,8 @@ You may find it helpful to use some blue tack to help orient the screw terminals
 
 ![Screw terminals](https://github.com/rorosaurus/esp32-hub75-driver/raw/master/images/power/screw-terminals.jpg)
 
+If you only have one screw terminal, you can still fit it between `5V` and `GND`, so you have one pin of each.
+
 # Powering your ESP32 and LED Panels
 Let's discuss the best way to power your LED panel!
 

README.md

@@ -29,7 +29,7 @@
 * [Project Mc2 LED Purse](https://github.com/rorosaurus/project-mc2-led-purse): Cheap children's toy you can harvest a good beginner panel from!
 
 ## Assembly Instructions
-Full assembly instructions and more detailed information can be found here: [`ASSEMBLY.md`](https://github.com/rorosaurus/esp32-hub75-driver/blob/master/ASSEMBLY.md)
+Some assembly required! (Soldering ~46 pins.) Full assembly instructions and more detailed information can be found here: [`ASSEMBLY.md`](https://github.com/rorosaurus/esp32-hub75-driver/blob/master/ASSEMBLY.md)
 
 ## Hardware (BOM)
 For a list of required and optional components, please see [`HARDWARE.md`](https://github.com/rorosaurus/esp32-hub75-driver/blob/master/HARDWARE.md)